Home / 12,148.84-16,766.36-6,844.15

Finding the Fourth Proportional to 12,148.84, 16,766.36 and 6,844.15

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Solution

The fourth proportional to 12,148.84, 16,766.36 and 6,844.15 is: 9,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.84 : 16,766.36 = 6,844.15 : x
  2. Step 2: Convert to fraction form
    12,148.84/16,766.36 = 6,844.15/x
  3. Step 3: Cross multiply
    12,148.84x = 16,766.36 × 6,844.15
  4. Step 4: Simplify right side
    12,148.84x = 114,751,482.79
  5. Step 5: Solve for x
    x = 114,751,482.79/12,148.84
  6. Step 6: Final answer
    x = 9,445.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.